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參數資料
| 型號： | LC7942YC |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Dot Matrix LCD Driver(點陣LCD驅動器) |
| 中文描述： | 點陣LCD驅動器（點陣液晶驅動器） |
| 文件頁數： | 4/8頁 |
| 文件大小： | 205K |
| 代理商： | LC7942YC |
LC7942YC
No. 6159—4/8
Pin Functions
Specifications
The following electrical characteristics apply when sealed in a Sanyo standard QIC-80 package.
Absolute Maximum Ratings
at Ta = 25 ±2°C, V
SS
= 0 V
Note
V
DD
≥
V
1
> V
2
>V
5
> V
EE
Number
Name
I/O
Function
32
V
DD
Supply
V
DD
– V
ss
is the logic supply.
V
DD
– V
EE
is the LCD supply.
34
V
SS
27
V
EE
30
V
1
Supply
LCD panel drive voltage supplies.
V
1
and V
EE
are selected levels.
V
2
and V
5
are not–selected levels.
29
V
2
28
V
5
38
CP
I
Display data input clock (falling–edge trigger).
40
DIO1
I/O
25
DIO64
I/O
33
RS/LS
I
36
M
I
LCD panel drive voltage output alternation control signal.
31
DISP OFF
I
O1 to O64 output control input pins.
41 to 80
O
LCD drive outputs
The output drive level is determined by the display data, M signal and DISPOFF input as show below.
Note
×
= don’t care (tied HIGH or LOW)
O1 to O40
1 to 24
O41 to O64
26
NC
–
No connection.
35
NC
37
NC
39
NC
Parameter
Symbol
Ratings
Unit
Logic supply voltage
V
DD
max
–0.3 to +7.0
V
LCD supply voltage. See note.
V
DD
– V
EE
max
0 to 22
V
Input voltage
V
I
max
–0.3 to V
DD
+ 0.3
V
Operating temperature range
T
opr
–20 to +85
°C
Storage temperature range
T
stg
–40 to +125
°C
RS/LS
DIO1
DIO64
Shift direction
LOW (rlght shift)
Input
Output
O1
O64
HIGH (left shift)
Output
Input
O64
O1
M
Q
DISPOFF
Output
LOW
LOW
HIGH
V
2
LOW
HIGH
HIGH
V
EE
HIGH
LOW
HIGH
V
5
HIGH
HIGH
HIGH
V
1
×
×
LOW
V
1
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PDF描述 |
|---|---|
| LC7942YD | Dot Matrix LCD Driver(點陣LCD驅動器) |
| LC79430 | Dot Matrix LCD Driver |
| LC79430D | Dot Matrix LCD Driver |
| LC79431D | Dot Matrix LCD Driver |
| LC7943D | Dot Matrix LCD Driver |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LC7942YD | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LC7943 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Interface IC |
| LC79430 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Dot Matrix LCD Driver |
| LC79430D | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Dot Matrix LCD Driver |
| LC79430KNE | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Dot-Matrix LCD Drivers |
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